MS Slugfest is a coed, 16-inch softball tournament benefiting the National MS Society, Greater Illinois Chapter taking place every August in Chicago's Mt. Greenwood Park.

MS Slugfest participants play on teams. Each team must raise $1,000 by game day to participate and there are many tips, tricks and pieces of helpful advice available on the MS Slugfest website to make sure you and your team have a rewarding experience.

Donations raised through MS Slugfest directly help more than 20,000 people who are living with MS in Illinois through education, support programs, and cutting-edge research.